CN103180154B - vehicle suspension support structure - Google Patents

vehicle suspension support structure Download PDF

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Publication number
CN103180154B
CN103180154B CN201180049189.8A CN201180049189A CN103180154B CN 103180154 B CN103180154 B CN 103180154B CN 201180049189 A CN201180049189 A CN 201180049189A CN 103180154 B CN103180154 B CN 103180154B
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CN
China
Prior art keywords
lower arm
welded
end portion
width direction
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201180049189.8A
Other languages
Chinese (zh)
Other versions
CN103180154A (en
Inventor
高梨阳光
安藤正志
横田登志行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hiruta Kogyo Co ltd
Original Assignee
Mazda Motor Corp
Hiruta Kogyo Co Ltd
Ford Global Technologies LLC
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Filing date
Publication date
Application filed by Mazda Motor Corp, Hiruta Kogyo Co Ltd, Ford Global Technologies LLC filed Critical Mazda Motor Corp
Publication of CN103180154A publication Critical patent/CN103180154A/en
Application granted granted Critical
Publication of CN103180154B publication Critical patent/CN103180154B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G99/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001—Arrangements for attachment of dampers
    • B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/129—Damper mount on wheel suspension or knuckle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/122—Constructional features of arms the arm having L-shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/124—Constructional features of arms the arm having triangular or Y-shape, e.g. wishbone
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49622—Vehicular structural member making

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种车辆悬架支撑结构，该车辆悬架支撑结构包括：下臂(17)，例如以该下臂(17)可转动地支撑用于前轮的转向节的方式形成；和减振器，使下臂(17)的振动减弱；其中，减振器的下端部被支撑架(32)可转动地支撑，该支撑架(32)被焊接到由例如下臂(17)形成的下臂(17)的上表面；并且，在下臂(17)的上表面形成有隆起部(40)，焊接对象部被形成为相对于其外周向上隆起，支撑架(32)的端部被焊接到该焊接对象部。

A vehicle suspension support structure includes: a lower arm (17), formed, for example, in such a way that the lower arm (17) rotatably supports a steering knuckle for a front wheel; and a shock absorber to reduce vibration of the lower arm (17); wherein the lower end of the shock absorber is rotatably supported by a support frame (32), the support frame (32) being welded to the upper surface of the lower arm (17) formed, for example, the lower arm (17); and a bulge (40) is formed on the upper surface of the lower arm (17), the welding target portion being formed to bulge upward relative to its outer periphery, and the end of the support frame (32) being welded to the welding target portion.

Description

Vehicle suspension support structure
Technical Field
The present invention relates to a vehicle suspension support structure that includes a suspension member (lower arm) that rotatably supports a knuckle for a front wheel, and a shock absorber that dampens vibration of the suspension member.
Background
In the past, in order to provide a vehicle suspension support structure that allows a shock absorber to be permanently and accurately fastened without causing an increase in the number of components or assembly steps, the following patent document 1 shows an example. That is, the suspension support structure of patent document 1 includes: a shock absorber having a lower end portion coupled to a suspension support member on one side of the vehicle via a suspension arm member; a shock absorber bracket formed of an upper wall portion formed with a mounting hole at the center thereof and a cylindrical portion extending downward from the outer periphery of the upper wall portion and firmly attached to the suspension support member; and an inverted cup-shaped portion formed with a centering hole (centering hole) concentric with the mounting hole and a penetrating portion surrounding the centering hole and abuttable against the upward wall portion. The suspension support structure further includes a centering bracket formed by firmly attaching a lower end portion of an inverted cup-shaped portion covering the entire upper wall portion to an outer circumferential wall of the cylindrical portion. The upper end fastening member of the damper passes through the mounting hole and the centering hole, and is fastened.
Reference list
Patent document
Patent document 1: JP-9-193635A
Disclosure of Invention
Technical problem
The vehicle suspension support structure disclosed in the above-mentioned patent document 1 is configured such that the lower end portion of the shock absorber, which has a function of supplying a load input from the wheel, is rotatably mounted to an intermediate reinforcing rod provided at a lower arm (suspension arm member). The lower arm is configured to be rotationally displaced in accordance with a load input from the wheel, and the support member that supports the lower end portion of the damper is repeatedly subjected to a load in the vertical direction by absorbing the load by transmitting the load to the lower end portion of the damper. Therefore, if the support member is welded to the lower arm, it is necessary to secure sufficient strength to withstand the load repeatedly input to the welding end of the support member in order to effectively prevent fatigue fracture of the support member.
Further, it is practical to fasten a support bracket supporting the lower end portion of the shock absorber to the upper surface of the lower arm with a mounting bolt instead of welding the support member to the lower arm. However, in this case, it is necessary to prevent the lower end portion of the damper from interfering with the head portion of the mounting bolt or the like for fastening the base plate of the support bracket disposed on the support bracket of the upper surface of the lower arm, and thus, the lower end portion of the damper cannot be disposed at a low position, making it difficult to mount the damper having a predetermined length in a compact manner.
The present invention has been made in view of the above problems, and an object thereof is to provide a vehicle suspension support structure capable of ensuring sufficient strength to withstand a load repeatedly input to a support bracket supporting a lower end portion of a shock absorber with a simple and compact structure.
Means for solving the problems
In order to solve the above-mentioned problems, the present invention relates to a vehicle suspension support structure including:
a lower arm rotatably supporting a knuckle for a front wheel;
a damper that damps vibration of the lower arm; and
a support frame rotatably supporting a lower end portion of the shock absorber; wherein,
the support bracket includes a pair of upright plates formed with pivot bearing portions for the shock absorber, and is characterized by further comprising:
a raised portion raised upward from an outer periphery thereof and formed on an upper surface of the lower arm; wherein,
the bulging portion is formed in a region including a part of a welding object portion on an upper surface of the lower arm,
a proximal end portion of the support frame is welded to the welding target portion on the bulging portion,
the end portions of the pair of upright plates are directly welded to the welding target portions of the ridge portions, respectively.
The structure as described above is advantageous in that the rigidity of the welding target portion for the end portion of the support frame can be effectively enhanced, and fatigue fracture in the welding end portion of the support frame is effectively prevented because the welding target portion is prevented from bending at the time of rotational displacement of the lower arm.
Drawings
Fig. 1 is a perspective view showing the entire structure of a vehicle equipped with a suspension support structure of the invention.
Fig. 2 is a side view showing the structure of a chassis frame of the vehicle.
Fig. 3 is a perspective view showing the structure of a chassis frame of the vehicle.
Fig. 4 is a perspective view showing the suspension device attached to the vehicle as viewed obliquely from the rear.
Fig. 5 is a perspective view showing the suspension device when viewed obliquely from the rear.
Fig. 6 is a rear view of the suspension device.
Fig. 7 is a bottom view of the suspension device.
Fig. 8 is a side view of the suspension device.
Fig. 9 is a perspective view of the suspension device.
Fig. 10 is a plan view showing a specific structure of the lower arm.
Fig. 11 is a sectional view taken along XI-XI of fig. 10.
Fig. 12 is a sectional view taken along XII-XII of fig. 10.
Fig. 13 is a perspective view showing a specific structure of the lower arm.
Fig. 14 is an explanatory diagram showing a reference example of the suspension support structure.
Fig. 15 is an explanatory diagram showing a vibration state of the support frame in the reference example.
Detailed Description
Fig. 1 to 4 show the entire structure of a vehicle 1, in which the vehicle 1 as a minivan is equipped with a vehicle suspension support structure of one embodiment of the present invention. The vehicle 1 includes an engine compartment 2, a passenger compartment 3, and a cargo box (pickupbed)4 all carried on a chassis frame 5. The chassis frame 5 is formed in a stepped shape in plan view, a pair of left and right side frames 6 extends in the front-rear direction of the vehicle 1, and a plurality of cross members 7 to 13 extend in the vehicle width direction to connect the left and right side frames 6.
A suspension device 15 for the front wheels 14 is arranged in the front part of the chassis frame 5, as shown in fig. 5 to 9. The suspension device 15 is a generally known high-base, double wishbone type suspension, which includes a knuckle 16 rotatably supporting a front wheel 14, a lower arm 17 supporting a lower portion thereof, an upper arm 18 supporting an upper portion of the knuckle 16, a suspension coil spring 19, a shock absorber 20 for attenuating up-and-down vibration input from the front wheel 14, and a stabilizer 21 for suppressing vehicle body inclination.
The lower arm 17 is divided into two proximal end portions 22 and 23, and the lower arm 17 is supported so as to be capable of rotational displacement about a support shaft 24 as a fulcrum and about a pivot support shaft 25, the support shaft 24 pivotally supporting the front proximal end portion 22 to the cross member 8, and the support shaft 25 pivotally supporting the rear proximal end portion 23 to the cross member 9. The distal end portion (the outer end portion in the vehicle width direction) of the lower arm 17 is coupled to the knuckle 16 via a ball joint 26.
A suspension stay 27 for supporting the suspension coil spring 19 and the upper end portion of the shock absorber 20 is provided on the outer side surface of the side frame 6, and an impact stopper 28 for suppressing the upward movement of the lower arm 17 is mounted to the rear of the shock absorber 20. An abutting portion 28a made of rubber is provided to a lower end portion of the impact stopper 28, and the abutting portion 28a abuts on an upper surface of the rear portion of the lower arm 17 to suppress upward movement thereof. The lower arm 17 is composed of a hollow member formed by coupling an upper plate 29 and a lower plate 30. A rear plate 31 is welded to an upper surface in the rear portion of the lower arm 17, the rear plate 31 serving to protect a portion that contacts the abutment portion 28a of the impact stopper 28.
A support bracket 32 supporting the lower end portion of the shock absorber 20 is fixed by being welded to the upper surface of the lower arm 17. The support bracket 32 includes a pair of front and rear upright plates 35 and 36 in which a through hole 34 is formed for pivotally supporting a pivot support shaft 33 of the lower end portion of the shock absorber 20, and the lower sides of the upright plates 35 and 36 are fixedly attached to the upper surface of the lower arm 17 by arc welding or the like.
As shown in fig. 10, the upright plate 35 on the front side is configured to have a straight portion 37 from the proximal end side to the distal end side of the lower arm 17 in the vehicle width direction and an inclined portion 38 extending obliquely rearward from the outer end portion of the straight portion in the vehicle width direction, as viewed from above. As shown in fig. 11 to 13, a bulging portion 40 is formed in the upper surface of the lower arm 17, wherein a welding target portion 39a bulges in an upper direction of a predetermined area than the outer periphery thereof, and a proximal end portion of the upright plate 35, i.e., an inner side end portion of the straight line portion 37 in the vehicle width direction is welded to the welding target portion 39 a. The allowance weld 41 is formed to extend inward in the vehicle width direction beyond the proximal end portion of the upper-surface rising plate 35 of the bulging portion 40.
As shown in fig. 10, the rear rising plate 36 is configured to have a straight portion 42 extending from the distal end portion side to the proximal end side of the lower arm 17 in the vehicle width direction and an inclined portion 43 extending obliquely from the inner end portion of the straight portion in the vehicle width direction to the front side, in plan view. The distal end portion of the upright plate 36, that is, the outer end portion of the straight line portion 42 in the vehicle width direction abuts on the distal end portion of the upright plate 35 and is welded to the upper surface of the lower arm 17. A proximal end portion of the standing plate 36, that is, an inner end portion of the inclined portion 43 in the vehicle width direction is welded to an upper portion of an outer peripheral portion of the bulging portion 40.
The stabilizer 21 includes a stabilizer main body 46 and an extending portion 47, the stabilizer main body 46 is rotatably supported by a pair of left and right supporting portions 45, the pair of left and right supporting portions 45 are provided in front of the cross member 8, the extending portion 47 extends obliquely rearward from left and right end portions of the stabilizer 21, as shown in fig. 7 and 8, and side end portions of the extending portion 47 are coupled to the knuckle 16 via a coupling rod 48. A bent portion bent downward to extend along the upper surface of the front portion of the lower arm 17 is provided to the extension portion 47 of the stabilizer 21. An interference avoiding portion 44 is formed in the upper surface of the front portion of the lower arm 17, the interference avoiding portion 44 being mounted at a lower height than the outer periphery thereof, thereby preventing interference between the extended portion 47 of the stabilizer 21 and the lower arm 17.
In the suspension support structure of the vehicle 1 including the suspension member formed of the lower arm 17 that rotatably supports the knuckle 16 for the front wheel and the shock absorber 20 that attenuates the vibration of the lower arm 17 as described above, the lower end portion of the shock absorber 20 is rotatably supported by the support bracket 32 that is welded to the upper surface of the lower arm 17, the bulge portion 40 is formed on the upper surface of the lower arm 17, wherein the welding object portion bulges upward with respect to the outer periphery of the bulge portion 40, and the proximal end portion of the support bracket 32 is welded to the welding object portion, which is advantageous in that: sufficient strength is secured with a simple and compact structure to withstand the load repeatedly input to the support bracket 32 supporting the lower end portion of the shock absorber 20.
That is, when the vehicle 1 travels, a load or vertical vibration is input from the front wheels 14 to the distal end portion of the lower arm 17 via the knuckle 16, the lower arm 17 is rotationally displaced about the pivot support shaft 25 as a fulcrum, and the intermediate portion of the lower arm 17 in the vehicle width direction is supported by the suspension coil spring 19 and the shock absorber 20.
This rotational displacement generates a vibration load that acts in a direction of moving the welding target portion 39 of the support frame 32 up and down. If the raised portion 40 is not provided and the proximal end portion of the support bracket 32 'is welded to the flat surface portion of the lower arm 17 as shown in fig. 14, the welding target portion of the support bracket 32' will vibrate up and down corresponding to the rotational displacement of the lower arm 17 as shown by the imaginary line in fig. 14 and the solid line in fig. 15. This causes a compressive load and a tensile load to be repeatedly applied to the welded end of the support bracket 32 ', which may cause fatigue fracture of the welded end and cracks may be generated in the welded end of the support bracket 32'.
On the contrary, if the raised portion 40 is formed on the upper surface of the lower arm 17 to which the proximal end portion of the support frame 32 is welded, as described above, the rigidity of the welding target portion of the support frame 32 can be increased with respect to the outer periphery thereof, and as shown by the arrow a in fig. 12, the proximal end portion B of the raised portion 40 and the like are elastically deformed in accordance with the load input in the direction of rotationally displacing the welding end portion of the support frame 32 up and down, and the deformation of the welding target portion of the support frame 32 welded to the upper surface of the raised portion 40 can be suppressed. This effectively prevents repeated application of a load that may crack the welded end of the support frame 32.
Therefore, in the suspension support structure of the vehicle 1 in which the support bracket 32 is welded to the upper surface of the lower arm 17 so as to dispose the lower end portion of the shock absorber 20 at a higher position than in the design in which the base plate of the support bracket for supporting the lower end portion of the shock absorber 20 is fastened to the upper surface of the lower arm by the mounting bolt, this is advantageous in effectively reducing the repeated application of load that may cause fatigue fracture of the welded end portion of the support bracket 32, and can reliably prevent the welded end portion from forming cracks and the like.
In particular, as shown in fig. 10 and 11, if the intermediate portion in the vehicle width direction of the pair of upright plates 35 and 36 forming the support bracket 32 is projected downward, and accordingly the upper surface of the lower arm 17 is recessed downward, there is an advantage in that: the position of the through hole 34 of the pivot support shaft 33 for pivotally supporting the lower end portion of the shock absorber 20 at a lower position in the upright plates 35 and 36 will enable the lower end portion of the shock absorber 20 to be positioned at the lower position without interfering with the upper surface of the lower arm 17, and the overall length of the shock absorber 20 to be large enough so that the shock absorber 20 having a predetermined length can be compactly mounted.
In the present embodiment, as described above, the support frame 32 is formed by the pair of upright plates 35 and 36, the pair of upright plates 35 and 36 being provided with the through hole 34 for pivotally supporting the shaft 33 of the lower end portion of the shock absorber 20, and the proximal end portions of the upright plates 35 and 36 are respectively welded to the raised portions 40, which is advantageous in comparison with the case where only one of the upright plates 35 and 36 is welded to the raised portion 40: repeated application of a load that may cause fatigue fracture of the welded end of the support bracket 32 is more effectively reduced, and the welded end can be more reliably prevented from forming cracks and the like.
Further, in the present embodiment as described above, the interference avoiding portion 44 is formed so that the mounting height of the upper surface of the front portion of the lower arm 17 is lower than the outer periphery thereof to avoid interference with the stabilizer 21, wherein the stabilizer 21 is mounted so as to extend in the vehicle width direction above the lower arm forming the suspension member, which is advantageous in that: the stabilizer 21 can be properly arranged without interfering with the upper surface of the lower arm 17, and the effect of obtaining sufficient support strength for the support bracket 32 by forming the ridge portion 40 on the upper surface of the lower arm 17 can be maintained.
As shown in the above embodiment, if the margin weld 41 beyond the proximal end portion of the support bracket 32 is formed on the upper surface of the lower arm 17 forming the suspension member, it is advantageous in that: stress concentration in the proximal end portion of the support bracket 32 welded to the upper surface of the lower arm 17 can be effectively prevented, so that fatigue fracture of the welded end portion of the support bracket 32 can be more reliably prevented.
As described in the embodiment described above, an example is described in which the raised portion 40 is formed only at the welding object portion where the proximal end portion of the support bracket 32 is welded in the upper surface of the lower arm 17, in other structures, a similar raised portion may be formed at the welding object portion where the distal end portion of the support bracket 32 (i.e., the outer end portion of the support bracket 32 in the vehicle width direction) is welded, and the distal end portion of the support bracket 32 is welded to the raised portion, and an allowance weld beyond the distal end portion of the support bracket 32 may be formed at the upper surface of the lower arm 17.
Brief description of the embodiments
The present invention relates to a suspension support structure including:
a lower arm (17) rotatably supporting a knuckle (16) for a front wheel;
a damper (20) that damps vibration of the lower arm (17); and
a support frame (32) welded to an upper surface of the lower arm (17); wherein,
the support frame (32) rotatably supports a lower end portion of the shock absorber (20); and is
-on the upper surface of the lower arm (17):
a welding target part (39) is formed, and the end part of the support frame (32) is welded to the welding target part (39); and is
A raised part (40) which rises upward is formed in a region including a part of the welding target part (39).
The structure described above has an advantage in that the rigidity of the welding target portion for the end portion of the support frame can be effectively enhanced, and has an advantage in that: since the bending of the welding object portion at the time of the rotational displacement of the lower arm is prevented, the fatigue fracture in the welding end portion of the support bracket is effectively prevented.
In the suspension support structure as described above, the support bracket (32) includes a pair of upright plates (35, 36), the pair of upright plates (35, 36) being formed with pivot bearings (33, 34) for the damper (20), and the end portions of both upright plates (35, 36) being welded to the raised portion (40), respectively.
The structure as described above can more effectively reduce the repeated application of a load that may cause fatigue fracture of the welded end portion of the support bracket, as compared with the case where only one of the upright plates is welded to the raised portion, so that the formation of cracks and the like at the welded end portion can be reliably prevented.
In the suspension support structure described above, a stabilizer (21) is attached above the lower arm (17) so as to extend in the vehicle width direction, and an interference avoiding portion (44) is formed in the lower arm (17) at a position avoiding the raised portion (40) so as to avoid interference with the stabilizer (21).
The structure as described above has the advantages that: it is possible to properly arrange the stabilizer without interference between the upper surface of the lower arm and the extension of the stabilizer, and maintain the effect of obtaining sufficient support strength for the support bracket by forming the ridge portion on the upper surface of the lower arm.
In the suspension support structure as described above, the upper surface of the lower arm (17) is formed with an allowance weld (41) formed by welding so as to be beyond the end of the support bracket (32).
The structure as described above has the advantages that: stress concentration in the welding end portion of the support bracket welded to the upper surface of the lower arm (17) can be effectively prevented, so that fatigue fracture of the welding end portion of the support bracket can be more reliably prevented.
Further, the support bracket (32) includes a first standing plate (35) disposed forward in the vehicle direction, and a second standing plate (36) disposed rearward in the vehicle direction, and an inner side end (a lower end) of the first standing plate in the vehicle width direction and an inner side end (a lower end) of the second standing plate in the vehicle width direction are welded to the bulging portion (40), respectively.
Furthermore, on the upper surface of the lower arm (17): an inside welding target portion to which the inside end portion of the first upright plate (35) in the vehicle width direction and the inside end portion of the second upright plate (36) in the vehicle width direction are welded may be formed; and is
An outer side welding target portion to which an outer side end portion of the first upright plate in the vehicle width direction and an outer side end portion of the second upright plate in the vehicle width direction are welded may be formed; wherein,
the inner welding target portion and the outer welding target portion may be formed in a shape bulging upward as compared with other welding target portions.
Further, the upper surface of the lower arm (17) may be formed with an inside allowance bead formed by being welded beyond the inside end portions of the first standing plate (35) and the second standing plate (36) in the vehicle width direction, respectively, and an outside allowance bead formed by being welded beyond the outside end portions of the first standing plate (35) and the second standing plate (36) in the vehicle width direction, respectively.
This application is based on Japanese patent application No.2010-231388, filed on the patent office on day 10/2010 and 14/h, the entire contents of which are incorporated herein by reference.
Although the present invention has been described by way of example with reference to the accompanying drawings, it is to be understood that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the invention as defined in the following claims.

Claims (6)

1.一种车辆悬架支撑结构，包括：1. A vehicle suspension support structure, comprising: 下臂，可转动地支撑用于前轮的转向节；the lower arm, which rotatably supports the steering knuckle for the front wheels; 减振器，使所述下臂的振动减弱；以及a shock absorber to dampen vibrations of the lower arm; and 支撑架，可转动地支撑所述减振器的下端部；其中，a support frame that rotatably supports the lower end of the shock absorber; wherein, 所述支撑架包括一对直立板，所述一对直立板形成有用于所述减振器的枢轴支承部，所述车辆悬架支撑结构的特征在于还包括：The support frame includes a pair of upstanding plates forming a pivot support for the shock absorber, the vehicle suspension support structure further comprising: 隆起部，与其外周相比向上隆起，形成在所述下臂的上表面上；其中，a raised portion, raised upward compared to its outer periphery, is formed on the upper surface of the lower arm; wherein, 所述隆起部形成在所述下臂的上表面上的、包含焊接对象部的一部分的区域中，The raised portion is formed in a region including a part of the welding target portion on the upper surface of the lower arm, 所述支撑架的近端部被焊接于所述隆起部上的所述焊接对象部，The proximal end portion of the support frame is welded to the welding target portion on the raised portion, 所述一对直立板的端部分别直接焊接于所述隆起部的所述焊接对象部。End portions of the pair of upstanding plates are directly welded to the welding target portions of the raised portion. 2.如权利要求1所述的车辆悬架支撑结构，其特征在于，在所述下臂的上方安装有稳定器，从而在车辆宽度方向上延伸，并且，在所述下臂中避开所述隆起部的位置形成有干涉回避部，从而回避与所述稳定器的干涉。2. The vehicle suspension support structure according to claim 1, wherein a stabilizer is mounted above the lower arm so as to extend in the vehicle width direction, and avoids the lower arm in the lower arm. An interference avoidance part is formed at the position of the bulge so as to avoid interference with the stabilizer. 3.如权利要求1或2所述的车辆悬架支撑结构，其特征在于，所述下臂的所述上表面形成有通过焊接为超出所述支撑架的所述端部以外而形成的余量焊缝。3. The vehicle suspension support structure according to claim 1 or 2, wherein the upper surface of the lower arm is formed with a margin formed by welding beyond the end of the support frame. Measure the weld. 4.如权利要求1所述的车辆悬架支撑结构，其特征在于，所述一对直立板为第一直立板和第二直立板，所述第一直立板布置在车辆方向上的前方，所述第二直立板布置在所述车辆方向上的后方，所述第一直立板在车辆宽度方向上的内侧端部和所述第二直立板在所述车辆宽度方向上的内侧端部分别焊接于所述隆起部。4. The vehicle suspension support structure according to claim 1, wherein the pair of upright plates are a first upright plate and a second upright plate, and the first upright plate is arranged in front of the vehicle direction, The second upright panel is disposed rearward in the vehicle direction, and an inner end portion of the first upright panel in the vehicle width direction and an inner end portion of the second upright panel in the vehicle width direction are respectively welded to the raised portion. 5.如权利要求4所述的车辆悬架支撑结构，其特征在于，5. The vehicle suspension support structure according to claim 4, wherein: 在所述下臂的所述上表面：On said upper surface of said lower arm: 形成有内侧焊接对象部，所述第一直立板在所述车辆宽度方向上的所述内侧端部和所述第二直立板在所述车辆宽度方向上的所述内侧端部被焊接于所述内侧焊接对象部；并且Inner side welding target portions are formed to which the inner side end portion of the first upright panel in the vehicle width direction and the inner side end portion of the second upright panel in the vehicle width direction are welded. the above-mentioned inside welding target part; and 形成有外侧焊接对象部，所述第一直立板在所述车辆宽度方向上的外侧端部和所述第二直立板在所述车辆宽度方向上的外侧端部被焊接于所述外侧焊接对象部；其中，An outer welding target portion to which an outer end portion of the first upright panel in the vehicle width direction and an outer end portion of the second upright panel in the vehicle width direction are welded is formed. Department; of which, 与其它焊接对象部相比，所述内侧焊接对象部和所述外侧焊接对象部构成为向上隆起的形状。The inner portion to be welded and the outer portion to be welded are formed in a shape that bulges upward compared to other portions to be welded. 6.如权利要求4所述的车辆悬架支撑结构，其特征在于，所述下臂的所述上表面形成有通过分别焊接为超出所述第一直立板和所述第二直立板在所述车辆宽度方向上的所述内侧端部以外而形成的内侧余量焊缝、和通过分别焊接为超出所述第一直立板和所述第二直立板在所述车辆宽度方向上的所述外侧端部以外而形成的外侧余量焊缝。6. The vehicle suspension support structure according to claim 4, wherein said upper surface of said lower arm is formed with a joint formed by welding respectively beyond said first upright plate and said second upright plate. The inner margin weld formed outside the inner end portion in the vehicle width direction, and the inner margin weld seam formed beyond the first upright panel and the second upright panel in the vehicle width direction by welding respectively. Outer allowance welds formed other than the outer ends.
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DE112011103468T5 (en) 2013-07-25
CN103180154A (en) 2013-06-26
US20130168938A1 (en) 2013-07-04
WO2012049857A1 (en) 2012-04-19
JP2012081915A (en) 2012-04-26
JP5698493B2 (en) 2015-04-08

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